Weather Records on 27 May 1948

324 weather records were set or tied worldwide on 27 May 1948. Highest significance: James Island, CA.

Key Facts for 27 May 1948

On 27 May 1948, 324 weather records were set or tied at long-record stations worldwide.
84 were record highs and 79 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 21 monthly and 303 daily.
James Island set a monthly record daily precipitation of 41.1 mm (1.6 in) on 27 May 1948.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 418 records.

Record Map

324 stations

324 station records on 27 May 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 May 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
James Island	Canada	Record daily precipitation	41.1 mm (1.6 in)	61 of 100 (Major)
Esquimalt	Canada	Record daily precipitation	41.9 mm (1.6 in)	59 of 100 (Notable)
Saanichton Cda	Canada	Record daily precipitation	45.7 mm (1.8 in)	58 of 100 (Notable)
Nanaimo	Canada	Record daily precipitation	34.0 mm (1.3 in)	47 of 100 (Notable)
Thorpdale State School	Australia	Record daily precipitation	50.8 mm (2.0 in)	46 of 100 (Notable)
Shawnigan Lake	Canada	Record daily precipitation	49.3 mm (1.9 in)	45 of 100 (Notable)
Chiknayakanihall	India	Record daily precipitation	128.3 mm (5.1 in)	45 of 100 (Notable)
Sira	India	Record daily precipitation	94.5 mm (3.7 in)	45 of 100 (Notable)
Cle Elum	United States	Record daily precipitation	47.5 mm (1.9 in)	45 of 100 (Notable)
Ketty	India	Record daily precipitation	71.1 mm (2.8 in)	41 of 100 (Notable)
Genoa	Italy	Record daily precipitation	51.8 mm (2.0 in)	40 of 100 (Notable)
Moe Gippsland Water	Australia	Record daily precipitation	42.7 mm (1.7 in)	39 of 100 (Notable)
Traralgon	Australia	Record daily precipitation	28.7 mm (1.1 in)	39 of 100 (Notable)
Nanaimo Departure Bay	Canada	Record daily precipitation	32.5 mm (1.3 in)	39 of 100 (Notable)
Khanpur	India	Record daily precipitation	42.2 mm (1.7 in)	39 of 100 (Notable)
Lugansk	Ukraine	Record daily precipitation	51.7 mm (2.0 in)	39 of 100 (Notable)
Narracan East (Lynnsmere)	Australia	Record daily precipitation	37.3 mm (1.5 in)	38 of 100 (Notable)
Saundatti	India	Record daily precipitation	58.9 mm (2.3 in)	37 of 100 (Notable)
Woori Yallock	Australia	Record daily precipitation	49.5 mm (1.9 in)	34 of 100 (Routine)
Gubbi Sr	India	Record daily precipitation	154.7 mm (6.1 in)	34 of 100 (Routine)
Victoria Gonzales Hts	Canada	Record daily precipitation	37.6 mm (1.5 in)	33 of 100 (Routine)
Chikodi	India	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Leongatha	Australia	Record daily precipitation	25.9 mm (1.0 in)	32 of 100 (Routine)
Port Albert	Australia	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Mount Best (Upper Toora)	Australia	Record daily precipitation	28.7 mm (1.1 in)	30 of 100 (Routine)
Goldstream Lake	Canada	Record daily precipitation	40.9 mm (1.6 in)	30 of 100 (Routine)
Sanivarsanthe	India	Record daily precipitation	46.0 mm (1.8 in)	30 of 100 (Routine)
Boolarra	Australia	Record daily precipitation	28.2 mm (1.1 in)	29 of 100 (Routine)
Morwell (Mail Centre)	Australia	Record daily precipitation	31.0 mm (1.2 in)	29 of 100 (Routine)
Krishnarajnagar	India	Record daily precipitation	44.5 mm (1.8 in)	29 of 100 (Routine)
Trafalgar Toseland Road	Australia	Record daily precipitation	39.9 mm (1.6 in)	28 of 100 (Routine)
McGregor	United States	Record daily precipitation	43.2 mm (1.7 in)	28 of 100 (Routine)
Quanah 2 SW	United States	Record low maximum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Poowong (Post Office)	Australia	Record daily precipitation	36.8 mm (1.4 in)	27 of 100 (Routine)
Plain Dealing	United States	Record low maximum temperature	20.0 C (68.0 F)	27 of 100 (Routine)
Lufkin Angelina Co AP	United States	Record daily precipitation	79.0 mm (3.1 in)	27 of 100 (Routine)
Mundagod	India	Record daily precipitation	36.3 mm (1.4 in)	26 of 100 (Routine)
Upper Mattole	United States	Record daily precipitation	32.0 mm (1.3 in)	26 of 100 (Routine)
Clarksville 2NE	United States	Record low maximum temperature	19.4 C (66.9 F)	26 of 100 (Routine)
Copperas Cove	United States	Record daily precipitation	32.3 mm (1.3 in)	26 of 100 (Routine)
Sherman	United States	Record low maximum temperature	18.9 C (66.0 F)	26 of 100 (Routine)
Korumburra	Australia	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Warragul (Carbethon)	Australia	Record daily precipitation	33.0 mm (1.3 in)	25 of 100 (Routine)
Kalghatgi	India	Record daily precipitation	36.6 mm (1.4 in)	25 of 100 (Routine)
Hirekerur	India	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Gadhinglaj	India	Record daily precipitation	57.2 mm (2.3 in)	25 of 100 (Routine)
Aralskoe More	Kazakhstan	Record high minimum temperature	20.6 C (69.1 F)	25 of 100 (Routine)
Sandpoint Exp STN	United States	Record high minimum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Ovando	United States	Record high minimum temperature	9.4 C (48.9 F)	25 of 100 (Routine)
Crosbyton	United States	Record daily precipitation	40.1 mm (1.6 in)	25 of 100 (Routine)
Rosedale	Australia	Record daily precipitation	26.2 mm (1.0 in)	24 of 100 (Routine)
Chattanooga	United States	Record low maximum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Frederick	United States	Record low maximum temperature	17.2 C (63.0 F)	24 of 100 (Routine)
Seymour 3NW	United States	Record low maximum temperature	17.8 C (64.0 F)	24 of 100 (Routine)
Koratagere	India	Record daily precipitation	55.9 mm (2.2 in)	23 of 100 (Routine)
Bugulma	Russia	Record daily precipitation	31.2 mm (1.2 in)	23 of 100 (Routine)
Long Prairie	United States	Record high minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Lawton	United States	Record low maximum temperature	18.3 C (64.9 F)	23 of 100 (Routine)
Pauls Valley 4 WSW	United States	Record low maximum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Waurika	United States	Record low maximum temperature	18.9 C (66.0 F)	23 of 100 (Routine)

Counts by Type and Timescale

324 records

Records set or tied on 27 May 1948 by type: Highest daily maximum 26, Lowest daily maximum 64, Highest daily minimum 58, Lowest daily minimum 15, Heaviest daily rainfall 161.

Records on 27 May 1948 by type
Record type	Records
Highest daily maximum	26
Lowest daily maximum	64
Highest daily minimum	58
Lowest daily minimum	15
Heaviest daily rainfall	161
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 May 1948 by timescale: all-time 0, monthly 21, daily 303.

How Much Records Were Beaten By

261 broken records

Margins by which the 261 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.2. Ties are not counted.

Top 20 by Significance

27 May 1948

Top 20 records on 27 May 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 May 1948	James Island, CA	monthly rain	41.1 mm (1.6 in)	21.3 mm (0.8 in)	27 years	61 of 100 (Major)
27 May 1948	Esquimalt, CA	monthly rain	41.9 mm (1.6 in)	13.5 mm (0.5 in)	28 years	59 of 100 (Notable)
27 May 1948	Saanichton Cda, CA	monthly rain	45.7 mm (1.8 in)	19.5 mm (0.8 in)	17 years	58 of 100 (Notable)
27 May 1948	Nanaimo, CA	daily rain	34.0 mm (1.3 in)	23.6 mm (0.9 in)	9 years	47 of 100 (Notable)
27 May 1948	Thorpdale State School, AU	daily rain	50.8 mm (2.0 in)	21.6 mm (0.9 in)	42 years	46 of 100 (Notable)
27 May 1948	Shawnigan Lake, CA	daily rain	49.3 mm (1.9 in)	21.9 mm (0.9 in)	9 years	45 of 100 (Notable)
27 May 1948	Chiknayakanihall, IN	daily rain	128.3 mm (5.1 in)	90.2 mm (3.6 in)	4 years	45 of 100 (Notable)
27 May 1948	Sira, IN	daily rain	94.5 mm (3.7 in)	67.8 mm (2.7 in)	4 years	45 of 100 (Notable)
27 May 1948	Cle Elum, US	monthly rain	47.5 mm (1.9 in)	11.9 mm (0.5 in)	23 years	45 of 100 (Notable)
27 May 1948	Ketty, IN	daily rain	71.1 mm (2.8 in)	40.6 mm (1.6 in)	7 years	41 of 100 (Notable)
27 May 1948	Genoa, IT	daily rain	51.8 mm (2.0 in)	19.6 mm (0.8 in)	45 years	40 of 100 (Notable)
27 May 1948	Moe Gippsland Water, AU	daily rain	42.7 mm (1.7 in)	19.6 mm (0.8 in)	34 years	39 of 100 (Notable)
27 May 1948	Traralgon, AU	daily rain	28.7 mm (1.1 in)	16.0 mm (0.6 in)	38 years	39 of 100 (Notable)
27 May 1948	Nanaimo Departure Bay, CA	monthly rain	32.5 mm (1.3 in)	8.1 mm (0.32 in)	15 years	39 of 100 (Notable)
27 May 1948	Khanpur, IN	daily rain	42.2 mm (1.7 in)	34.8 mm (1.4 in)	28 years	39 of 100 (Notable)
27 May 1948	Lugansk, UA	monthly rain	51.7 mm (2.0 in)	7.7 mm (0.30 in)	41 years	39 of 100 (Notable)
27 May 1948	Narracan East (Lynnsmere), AU	daily rain	37.3 mm (1.5 in)	18.0 mm (0.7 in)	34 years	38 of 100 (Notable)
27 May 1948	Saundatti, IN	daily rain	58.9 mm (2.3 in)	36.0 mm (1.4 in)	17 years	37 of 100 (Notable)
27 May 1948	Woori Yallock, AU	daily rain	49.5 mm (1.9 in)	15.5 mm (0.6 in)	42 years	34 of 100 (Routine)
27 May 1948	Gubbi Sr, IN	monthly rain	154.7 mm (6.1 in)	26.7 mm (1.1 in)	15 years	34 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1797 to 1948

Records set or tied on this calendar date in each year from 1797 to 1948. 1948 had 324 records.

Counts for years before the ledger starts come from the same station rules.

Records on 05-27 in each year
Year	Records
1797	1
1817	1
1818	1
1834	2
1836	4
1839	1
1845	1
1846	1
1847	1
1849	1
1852	1
1858	1
1860	1
1863	1
1864	3
1868	4
1869	1
1874	1
1876	1
1879	3
1880	5
1881	2
1883	1
1884	1
1885	1
1886	1
1888	1
1889	3
1890	5
1891	2
1892	8
1893	5
1894	13
1895	4
1896	3
1897	1
1898	3
1899	2
1900	4
1901	7
1902	12
1903	7
1904	11
1905	7
1906	28
1907	23
1908	16
1909	7
1910	31
1911	53
1912	27
1913	19
1914	92
1915	63
1916	26
1917	23
1918	39
1919	38
1920	40
1921	56
1922	36
1923	86
1924	92
1925	291
1926	107
1927	183
1928	81
1929	195
1930	99
1931	367
1932	265
1933	284
1934	393
1935	128
1936	468
1937	298
1938	492
1939	312
1940	138
1941	436
1942	657
1943	160
1944	479
1945	272
1946	424
1947	485
1948	324
1949	366
1950	697
1951	578
1952	258
1953	603
1954	367
1955	571
1956	491
1957	367
1958	619
1959	449
1960	421
1961	1,504
1962	460
1963	421
1964	317
1965	652
1966	398
1967	492
1968	605
1969	850
1970	326
1971	612
1972	508
1973	943
1974	630
1975	404
1976	589
1977	663
1978	814
1979	899
1980	644
1981	891
1982	838
1983	1,253
1984	834
1985	873
1986	696
1987	1,037
1988	777
1989	904
1990	804
1991	1,429
1992	1,413
1993	835
1994	848
1995	815
1996	1,378
1997	919
1998	1,079
1999	876
2000	1,347
2001	898
2002	511
2003	918
2004	838
2005	1,094
2006	1,171
2007	886
2008	914
2009	858
2010	955
2011	1,055
2012	1,475
2013	607
2014	835
2015	537
2016	622
2017	541
2018	1,355
2019	960
2020	906
2021	414
2022	653
2023	405
2024	904
2025	761
2026	1,185

Download the Data

Data for records on 1948-05-27: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	238
20 to 40	20
40 to 60	1
60 to 80	1
80 to 100	1